Illumina, Inc. (ILMN) ownership: Top institutional holder: BlackRock, Inc. ($2.34B). Insider activity: Net Seller (1 buys, 19 sells). 10 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 19023590.00 | $2.34B | 2026-03-31 |
| Capital World Investors | 15549960.00 | $1.92B | 2026-03-31 |
| VANGUARD GROUP INC | 14355380.00 | $1.88B | 2025-12-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 6823654.00 | $841.08M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 6594836.00 | $812.88M | 2026-03-31 |
| STATE STREET CORP | 6429344.00 | $792.48M | 2026-03-31 |
| WCM INVESTMENT MANAGEMENT, LLC | 5923173.00 | $715.58M | 2026-03-31 |
| BlackRock Fund Advisors | 4695763.00 | $601.25M | 2016-12-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-21 | |
| Sell | null | 2026-05-21 | |
| Sell | null | 2026-05-21 | |
| Sell | null | 2026-05-21 | |
| Sell | null | 2026-05-21 | |
| Sell | null | 2026-05-21 | |
| Sell | null | 2026-05-21 | |
| Sell | null | 2026-05-21 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.